List A Batting and Fielding Against Each Opponent by David O'Sullivan
| Opponent | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| Auckland | 5 | 3 | 0 | 20 | 12 | 6.66 | 0 | 0 | 0 | |
| Australia | 2 | 1 | 1 | 1 | 1* | | 0 | 0 | 0 | |
| Australians | 2 | 2 | 1 | 10 | 10* | 10.00 | 0 | 0 | 2 | |
| Canterbury | 4 | 4 | 3 | 26 | 12* | 26.00 | 0 | 0 | 2 | |
| Derbyshire | 1 | 1 | 1 | 0 | 0* | | 0 | 0 | 1 | |
| Hertfordshire | 1 | 1 | 0 | 17 | 17 | 17.00 | 0 | 0 | 0 | |
| Kent | 2 | 2 | 0 | 10 | 10 | 5.00 | 0 | 0 | 0 | |
| Middlesex | 1 | 1 | 1 | 0 | 0* | | 0 | 0 | 1 | |
| Northamptonshire | 2 | 1 | 0 | 8 | 8 | 8.00 | 0 | 0 | 0 | |
| Northern Districts | 6 | 5 | 2 | 59 | 32 | 19.66 | 0 | 0 | 2 | |
| Nottinghamshire | 1 | 0 | | | | | | | 0 | |
| Otago | 6 | 4 | 2 | 28 | 13 | 14.00 | 0 | 0 | 0 | |
| Pakistan | 2 | 2 | 1 | 16 | 15* | 16.00 | 0 | 0 | 0 | |
| Queensland | 1 | 1 | 0 | 5 | 5 | 5.00 | 0 | 0 | 0 | |
| Somerset | 1 | 0 | | | | | | | 1 | |
| South Australia | 1 | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | |
| Wellington | 7 | 4 | 0 | 30 | 12 | 7.50 | 0 | 0 | 2 | |
| West Indians | 1 | 1 | 0 | 23 | 23 | 23.00 | 0 | 0 | 0 | |
| Western Australia | 1 | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | |
| Wiltshire | 2 | 0 | | | | | | | 1 | |
| Worcestershire | 2 | 1 | 1 | 3 | 3* | | 0 | 0 | 0 | |
| Yorkshire | 2 | 1 | 0 | 5 | 5 | 5.00 | 0 | 0 | 1 | |